积习难改

Traditional form:

積習難改

Pinyin (reading):

jīxínángǎi

Definitions:

• old habits are hard to change (idiom)

Characters:

• 积 - to store up, to amass, to accumulate
• 习 - to study, to practice; habit
• 难 - hard, difficult, arduous; unable
• 改 - to alter, to change, to improve, to remodel

Traditional characters:

• 積 - to store up, to amass, to accumulate
• 習 - to study, to practice; habit
• 難 - hard, difficult, arduous; unable
• 改 - to alter, to change, to improve, to remodel